An assembly-oriented novel low-carbon masonry building method with unfired 3D printed earthen blocks

Conference paper


Gin, Y., Shah, D. and Ramage, M. (2023). An assembly-oriented novel low-carbon masonry building method with unfired 3D printed earthen blocks. IASS Annual Symposium 2023 - Integration of Design and Fabrication. Melborne, Australia 10 - 14 Jul 2024 International Association for Shell and Spatial Structures (IASS).
AuthorsGin, Y., Shah, D. and Ramage, M.
TypeConference paper
Abstract

Conventional earthen building methods such as cob and adobe are relevant for developing countries but labour-intensive, expensive and slow for developed countries. Automation in construction has been increasingly favourable in developed countries, especially buildings constructed with 3D printed cementitious materials. 3D printed earthen materials demonstrate a better environmental performance compared to 3D printed cementitious materials due to the energy intensive manufacturing of cement. Moreover, conventional earthen methods, such as cob, create earthen buildings with solid sections while 3D printing allows a hollow section and various infill designs using less material. Despite the benefits, the research on the mechanical strength of 3D-printed earthen structures is still limited. The lack of data on the mechanical performance of 3D printed earthen structures, is one of the obstacles preventing the mainstream construction industry from approaching this novel building method. Our research investigates an assembly-oriented novel low-carbon masonry building method with unfired 3D-printed earthen blocks and explores its adaptability to the mainstream construction industry with a critical comparison based on mechanical properties.

Keywords3D printing; automation; construction techniques; digital modelling and fabrication; earthen architecture; low carbon construction
Year2023
Journal Proceedings of IASS Annual Symposia
PublisherInternational Association for Shell and Spatial Structures (IASS)
Journal citationpp. 1-12
ISSN2518-6582
Web address (URL)https://www.ingentaconnect.com/contentone/iass/piass/2023/00002023/00000025/art00009
Accepted author manuscript
License
File Access Level
Open
Publication dates
Print01 Oct 2023
Publication process dates
Accepted02 Jun 2023
Deposited17 Jul 2024
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https://openresearch.lsbu.ac.uk/item/9731q

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